DIKETOPYRROLOPYROLE (DPP)-BASED SENSITIZERS FOR ELECTROCHEMICAL OR OPTOELECTRONIC DEVICES

摘要

The present invention relates to compounds of formula (I) based on DPP moiety being useful as metal-free organic sensitizers or dyes of type D-À-A in electrochemical or optoelectronic devices, their use as sensitizer or dye and an electrochemical or optoelectronic device comprising a compound of the invention.